On Mon, 2016-11-21 at 12:56 +0800, yanjiang....@windriver.com wrote: > From: Yanjiang Jin <yanjiang....@windriver.com> > > This patch is to avoid the below warning: > > kernel/sched/cpuacct.c:298:25: warning: > format '%lld' expects argument of type 'long long int', > but argument 4 has type 'long unsigned int' [-Wformat=] > > Signed-off-by: Yanjiang Jin <yanjiang....@windriver.com> > --- > arch/powerpc/include/asm/cputime.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/include/asm/cputime.h > b/arch/powerpc/include/asm/cputime.h > index 4f60db0..4423e97 100644 > --- a/arch/powerpc/include/asm/cputime.h > +++ b/arch/powerpc/include/asm/cputime.h > @@ -228,7 +228,8 @@ static inline cputime_t clock_t_to_cputime(const > unsigned long clk) > return (__force cputime_t) ct; > } > > -#define cputime64_to_clock_t(ct) cputime_to_clock_t((cputime_t)(ct)) > +#define cputime64_to_clock_t(ct) \ > + (__force u64)(cputime_to_clock_t((cputime_t)(ct)))
Why is __force needed? -Scott
